This is probably one of the more interesting things I've read today. I wonder how powerful it really is (the smell that is)
http://www.webpronews.com/dominos-creates-a-dvd-with-pizza-smell-as-part-of-new-ad-campaign-2013-05
http://www.upi.com/blog/2013/05/17/Dominos-DVD-creates-pizza-smell-when-played/7701368819348/